Google AdWords is the service that places advertisements in a column to the right of Google search results.
Narconon seems to use AdWords, so I have taken a look at the rules which Google AdWord customers are subject to.
Surprisingly, advertisements for Narconon drug rehabilitation facilities are potentially vulnerable to two of these rules, which I have described in this recent blog post:
https://scicrit.wordpress.com/2015/07/31/persuade-google-not-to-be-evil-complain-about-the-advertisements-they-publish-on-behalf-of-narconon/People who visit a lot of Scientology and Narconon-related sites (including critical ones) are more likely to be served these advertisements so it might be worth knowing how to recognise a vulnerable one, and make a complaint about it.